Questions Regarding Bootloader (Rooted and XRecovery Installed) - XPERIA X10 Q&A, Help & Troubleshooting

Hello,
I am having some issues regarding the unlock of my Sony Ericsson x10i. Currently my x10 is rooted using superoneclick and I was able to install xrecovery on my x10 using flashtool. After doing some research, I figured out that in order to install a custom rom, I would need my bootloader unlocked.
Here is the issue, when I use s1tool I follow all instructions (Turn off phone and plug in phone while holding the back button) nothing occurs and windows detects that the USB device is not recognized however there is a green light when I do that. I am not willing to continue without checking because I do not want to hard brick my phone.
Can anybody help me?
Extra Information
The phone was already unlocked since I got it. (It was on a phone plan for 24 months and according to my local dealer, it should've been locked.)
Just want to use setCPU
Thanks in Advance

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Install flash drivers

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MrAznJzn said:
Hello,
I am having some issues regarding the unlock of my Sony Ericsson x10i. Currently my x10 is rooted using superoneclick and I was able to install xrecovery on my x10 using flashtool. After doing some research, I figured out that in order to install a custom rom, I would need my bootloader unlocked.
Here is the issue, when I use s1tool I follow all instructions (Turn off phone and plug in phone while holding the back button) nothing occurs and windows detects that the USB device is not recognized however there is a green light when I do that. I am not willing to continue without checking because I do not want to hard brick my phone.
Can anybody help me?
Extra Information
The phone was already unlocked since I got it. (It was on a phone plan for 24 months and according to my local dealer, it should've been locked.)
Just want to use setCPU
Thanks in Advance
Click to expand...
Click to collapse
If you are rooted your x10 so you can use setcpu
too.(if super user & busy box installed )
cchaos said:
Install flash drivers
Click to expand...
Click to collapse
+1
Sent from my BEAST, I mean X8

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jay-z-s said:
If you are rooted your x10 so you can use setcpu
too.(if super user & busy box installed )
+1
Sent from my BEAST, I mean X8
Click to expand...
Click to collapse
Ahh I see but is it better to flash a custom ROM for better overclocking?
I managed to get s1tools working (OS Issue) and I got SEMC SIMLOCK CERTIFICATE
1/30/2013 4:11:55 PM Welcome to S1 tool.
1/30/2013 4:11:58 PM
1/30/2013 4:11:58 PM TO CONNECT NEXT PHONES
1/30/2013 4:11:58 PM X10 Xperia,E10 Xperia Mini,E15 Xperia X8,U20 Xperia Mini Pro
1/30/2013 4:11:58 PM LT15 Xperia ARC,MT15 Xperia NEO,R800 Xperia PLAY
1/30/2013 4:11:58 PM PRESS AND HOLD "BACK" BUTTON...
1/30/2013 4:11:58 PM
1/30/2013 4:11:58 PM PLEASE ATTACH TURNED OFF PHONE NOW
1/30/2013 4:11:58 PM
1/30/2013 4:12:05 PM
1/30/2013 4:12:05 PM RUNNING S1_EROM VER "R8A013"
1/30/2013 4:12:05 PM SOFTWARE AID: 0001
1/30/2013 4:12:05 PM LOADER AID: 0001
1/30/2013 4:12:09 PM FLASH ID: "002C/00B3"
1/30/2013 4:12:09 PM LOADER VERSION: "R4A024"
1/30/2013 4:12:09 PM
1/30/2013 4:12:09 PM MODEL (from GDFS): X10i
1/30/2013 4:12:09 PM SOFTWARE VERSION: 1227-4612_3.0.1.G.0.75
1/30/2013 4:12:09 PM CUSTOM VERSION: 1234-4764_R3C
1/30/2013 4:12:09 PM FILESYSTEM VERSION: WORLD-1-4-8_3.0.1.G.0.75
1/30/2013 4:12:09 PM SERIAL NO: CB511NA0RM
1/30/2013 4:12:09 PM
1/30/2013 4:12:09 PM SEMC SIMLOCK CERTIFICATE
1/30/2013 4:12:09 PM Elapsed:11 secs.
1/30/2013 4:12:13 PM PROCEDURE STOPPED BY USER